Change SQL query IS NULL to Laravel Query Builder/Eloquent

Question

how to change SQL Query

SELECT * FROM aps WHERE kategori IS NULL

to Laravel Eloquent/Query Builder?

Answer 1

函数whereNull ，因此您可以执行以下操作：

\DB::table('aps')->whereNull('kategori')->get();

Answer 2

If Ap is a model, then

    $data = Ap::whereNull('kategori')->get();

If aps is table name, then

    $data = DB::table('aps')->whereNull('kategori')->get();

Answer 3

 $apps = DB::table('aps')
                ->whereNull('kategori');

Answer 4

上面的查询可以写成

DB::table('aps')->whereNull('kategori')->get();

Answer 5

You can use the whereNull function

$data=DB::table('aps')->whereNull('kategori')->get();

Refer this documentation for further reference https://laravel.com/docs/5.6/queries